/usr/share/ is in cl-sql-postgresql 6.1.1-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/common-lisp/
/usr/share/common-lisp/systems/
/usr/share/common-lisp/source/
/usr/share/common-lisp/source/clsql-postgresql/
/usr/share/common-lisp/source/clsql-postgresql/db-postgresql/
/usr/share/common-lisp/source/clsql-postgresql/db-postgresql/postgresql-api.lisp
/usr/share/common-lisp/source/clsql-postgresql/db-postgresql/postgresql-loader.lisp
/usr/share/common-lisp/source/clsql-postgresql/db-postgresql/postgresql-package.lisp
/usr/share/common-lisp/source/clsql-postgresql/db-postgresql/postgresql-sql.lisp
/usr/share/common-lisp/source/clsql-postgresql/clsql-postgresql.asd
/usr/share/doc/
/usr/share/doc/cl-sql-postgresql/
/usr/share/doc/cl-sql-postgresql/copyright
/usr/share/doc/cl-sql-postgresql/changelog.Debian.gz